The three varieties of power transfer from a shaft to a nearby shaft are as follows.
clutch, gear drive, and belt drive
direct coupling, gear drive, and clutch
Brakes. The friction brakes used to stop or hold a slide movement must be intrinsically self-engaging, meaning they need power or force from an outside source to disengage. The slide's brake capacity must be high enough to hold the slide gear drive and its attachments at any point during travel and be powerful enough to immediately halt the slide's motion.When removing, deactivating, or energizing the external clutch engaging means, the clutch must release and the brake must be engaged.
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